Async Loading

import { createI18n } from '@vielzeug/i18nit';

const i18n = createI18n({
  locale: 'en',
  catalogs: {
    en: { greeting: 'Hello!' },
    ja: () => import('./locales/ja.json').then((m) => m.default),
  },
});

await i18n.preload('ja');
await i18n.setLocale('ja');

i18n.register('ja', { greeting: 'こんにちは' });

Notes

• preload() loads a locale without switching.
• setLocale() loads if needed, then switches.
• register() can replace a locale source at runtime.